package com.miyi.utils;

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

import java.io.IOException;
import java.io.InputStream;

/**
 * @author Mi Zhonghao
 * @Date 2022/1/18 10:49
 */
public class MybatisUtils {

    private  static SqlSessionFactory factory = null;

    static {
        String config = "mybatis.xml";
        try {
            InputStream in = Resources.getResourceAsStream(config);
            factory = new SqlSessionFactoryBuilder().build(in);

        }catch (IOException e){
            e.printStackTrace();
        }
    }


    //获取SqlSession的方法
    public static SqlSession getSqlSession(){
        SqlSession sqlSession = null;
        if(factory != null){
            sqlSession = factory.openSession();
        }
        return sqlSession;
    }

}
